Home / 343,419.83-473,948.47-190,507.29

Finding the Fourth Proportional to 343,419.83, 473,948.47 and 190,507.29

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Solution

The fourth proportional to 343,419.83, 473,948.47 and 190,507.29 is: 262,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,419.83 : 473,948.47 = 190,507.29 : x
  2. Step 2: Convert to fraction form
    343,419.83/473,948.47 = 190,507.29/x
  3. Step 3: Cross multiply
    343,419.83x = 473,948.47 × 190,507.29
  4. Step 4: Simplify right side
    343,419.83x = 90,290,640,281.94
  5. Step 5: Solve for x
    x = 90,290,640,281.94/343,419.83
  6. Step 6: Final answer
    x = 262,916.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.